The walls on either close will certainly end up having doorways in them, but I don't evaluate what is not there. At this point, Except if I get a lot more education I'm calling it a mezzanine and restricting the dimensions with the mezzanine to incorporate this space. No. While https://charliexwxkc.pointblog.net/mezzanine-safety-gate-uk-no-further-a-mystery-86704033